--- wpmu-2.9.2/./wp-includes/class-feed.php~	2010-05-14 18:04:07.000000000 +0300
+++ wpmu-2.9.2/./wp-includes/class-feed.php	2010-05-19 17:07:27.696746340 +0300
@@ -1,7 +1,7 @@
 <?php
 
 if ( !class_exists('SimplePie') )
-	require_once (ABSPATH . WPINC . '/class-simplepie.php');
+	require_once 'simplepie.inc';
 
 class WP_Feed_Cache extends SimplePie_Cache {
 	/**